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The delivery date of your order depends on when the order leaves our warehouse, the destination address for the item and the shipping method. For select items, we offer an Estimated Delivery Date during checkout. An Estimated Delivery Date is a calculation of several factors, including item availability, processing time in our warehouse, the shipping method you select and the shipping destination. Please note that Estimated Delivery Dates are estimates only, and are not guaranteed.

Help achieve good water chemistry and allow longer intervals between cleaning with the National Geographic Biological Filter Media. The Filter Media allows for faster reduction of unsafe ammonium and nitrates. For uses with CF30, CF50, CF80 Internal Filters. Only at PetSmart.

Features: Best biological decomposition of toxinsIncludes: 1 Media Basket DoseIntended For: AquariumHealth Consideration: Create a thriving aquariumCaution: This is not a toy. Contains small parts. Keep out of reach of children. TO avoid injury, follow safety instructions in the enclosed instruction guide.

Instructions:
To help maintain a healthy aquarium, change 1/3 to 2/3 of the media every 3-6 months. Change out 10% of the water weekly or 25% monthly. Use a water conditioner every time you add fresh tap water to your aquarium. Be sure your bucket is only used for aquarium water. Never use soap, detergents or cleaning agents while cleaning the aquarium or equipment as they can harm your fish.